Finding the Fourth Proportional to 1,242,844.92, 1,860,257.88 and 642,979.98
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Solution
The fourth proportional to 1,242,844.92, 1,860,257.88 and 642,979.98 is: 962,395.67
Step by Step Solution
- Step 1: Write the proportion equation
1,242,844.92 : 1,860,257.88 = 642,979.98 : x - Step 2: Convert to fraction form
1,242,844.92/1,860,257.88 = 642,979.98/x - Step 3: Cross multiply
1,242,844.92x = 1,860,257.88 × 642,979.98 - Step 4: Simplify right side
1,242,844.92x = 1,196,108,574,477.24 - Step 5: Solve for x
x = 1,196,108,574,477.24/1,242,844.92 - Step 6: Final answer
x = 962,395.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.